SOLUTION: Dale drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 9 hours. When Dale drove home, there was no traffic and the trip only took

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Question 947350: Dale drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took
9
hours. When Dale drove home, there was no traffic and the trip only took
4
hours. If his average rate was
40
miles per hour faster on the trip home, how far away does Dale live from the mountains?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
g, the rate going.
r, the rate returning.
d, the one-way distance.
Uniform Rates of Travel, RT=D, variables infer-able.

_______________rate____________time______________distance
GOING___________g________________9_______________d
RETRNG__________r________________4_______________d
Average________40
Total___________________________13______________2d

Average rate should be total distance divided by total time.
highlight%28%282d%29%2F13=40%29

d%2F13=20
highlight%28d=260%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Dale drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 9 hours. When Dale drove home, there was no traffic and the trip only took 4 hours. If his average rate was 40 miles per hour faster on the trip home, how far away does Dale live from the mountains?
Distance: highlight_green%28288%29 miles

You can do the check!! 

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